Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 19-09-2021 and time 08:01:12 (Italy) in region 1 km SW Vietri di Potenza (PZ)

A magnitude ML 0.8 earthquake occured in region: 1 km SW Vietri di Potenza (PZ), on

  • 19-09-2021 06:01:12 (UTC)
  • 19-09-2021 08:01:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.5920, 15.5010 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Vietri di Potenza PZ 1 2832 2832
Caggiano SA 3 2765 5597
Salvitelle SA 4 560 6157
Savoia di Lucania PZ 5 1127 7284
Balvano PZ 7 1830 9114
Romagnano al Monte SA 7 368 9482
Pertosa SA 7 690 10172
Sant'Angelo Le Fratte PZ 7 1429 11601
Auletta SA 7 2336 13937
Polla SA 9 5279 19216
Ricigliano SA 9 1144 20360
San Gregorio Magno SA 11 4286 24646
Buccino SA 12 5047 29693
Picerno PZ 13 5985 35678
Satriano di Lucania PZ 13 2374 38052
Baragiano PZ 13 2671 40723
Petina SA 13 1159 41882
Sant'Arsenio SA 13 2815 44697
Tito PZ 15 7332 52029
San Pietro al Tanagro SA 15 1695 53724
Atena Lucana SA 16 2336 56060
Brienza PZ 17 4078 60138
Sicignano degli Alburni SA 17 3519 63657
San Rufo SA 18 1754 65411
Muro Lucano PZ 18 5497 70908
Bella PZ 19 5171 76079
Sasso di Castalda PZ 19 835 76914
Palomonte SA 19 3985 80899
Corleto Monforte SA 20 592 81491
Sant'Angelo a Fasanella SA 20 635 82126

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Potenza (67122 inhabitants)
44 Km E of Battipaglia (50786 inhabitants)
63 Km E of Salerno (135261 inhabitants)
68 Km E of Cava de' Tirreni (53659 inhabitants)
69 Km SE of Avellino (54857 inhabitants)
82 Km SW of Cerignola (58396 inhabitants)
84 Km E of Scafati (50787 inhabitants)
85 Km SE of Benevento (60091 inhabitants)
87 Km E of Castellammare di Stabia (66466 inhabitants)
93 Km W of Altamura (70396 inhabitants)
93 Km W of Matera (60436 inhabitants)
97 Km S of Foggia (151991 inhabitants)
97 Km SW of Andria (100440 inhabitants)
98 Km E of Torre del Greco (86275 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 0.8 2021-09-19
06:01:12		 40.5923 15.5013 11 2021-09-19
06:10:58		 Sala Sismica INGV-Roma 95621161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-19 06:01:12 ± 0.14
Latitude 40.5923 ± 0.0063
Longitude 15.5013 ± 0.0083
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95621161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 612
Semi-minor axis of confidence ellipse (meter) 336
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.22573
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 95621161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-19 06:10:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.PGN3.HHZ.02 2021-09-19T06:01:22.12 0.3 undecidable manual S 95 24.9528 50 0.27 71
IV.SLCN.HHZ. 2021-09-19T06:01:21.89 0.3 undecidable manual S 154 25.0527 50 0.03 71
IV.MRLC.HHZ. 2021-09-19T06:01:20.70 0.6 undecidable manual S 357 18.2706 120 0.77 40
IV.SGO.HNZ. 2021-09-19T06:01:19.99 0.6 undecidable manual S 258 16.6722 122 0.52 44
IV.CDRU.HHZ. 2021-09-19T06:01:19.88 0.3 undecidable manual S 236 20.1687 118 -0.62 63
IX.PGN3.HHZ.02 2021-09-19T06:01:18.31 0.1 undecidable manual P 95 24.9528 50 0.36 93
IV.SLCN.HHZ. 2021-09-19T06:01:17.71 1.0 undecidable manual P 154 25.0527 50 -0.24 23
IX.CGG3.HNZ.01 2021-09-19T06:01:17.07 0.3 undecidable manual S 162 5.8941 151 0.26 70
IX.SCL3.EHZ.02 2021-09-19T06:01:17.78 0.3 undecidable manual S 4 11.4774 133 -0.23 72
IV.CDRU.HHZ. 2021-09-19T06:01:17.10 0.1 undecidable manual P 236 20.1687 118 -0.06 97
IX.COL3.HNZ.02 2021-09-19T06:01:17.63 0.3 undecidable manual P 306 17.7711 121 0.87 58
IV.SGO.HNZ. 2021-09-19T06:01:16.60 0.1 undecidable manual P 258 16.6722 122 0.03 99
IV.CAGG.EHZ. 2021-09-19T06:01:16.51 0.3 undecidable manual S 168 3.996 159 -0.02 75
IV.MRLC.HHZ. 2021-09-19T06:01:16.52 0.1 undecidable manual P 357 18.2706 120 -0.31 92
IX.SRN3.HHZ.02 2021-09-19T06:01:15.97 0.1 undecidable manual P 197 12.3765 131 0.1 97
IX.CGG3.HNZ.01 2021-09-19T06:01:15.07 0.1 undecidable manual P 162 5.8941 151 0.04 99
IX.SCL3.EHZ.02 2021-09-19T06:01:15.28 0.1 undecidable manual P 4 11.4774 133 -0.45 91
IX.VDP3.HNZ.01 2021-09-19T06:01:14.78 0.1 undecidable manual P 77 6.0939 150 -0.28 96
IV.CAGG.EHZ. 2021-09-19T06:01:14.79 0.1 undecidable manual P 168 3.996 159 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SRN3.HHN.02 ML:1.2 0.00018442825000000002 0.272 AML other m 2021-09-19T06:01:21.71
IX.SRN3.HHE.02 ML:1.1 0.00015053415000000002 0.192 AML other m 2021-09-19T06:01:19.32
IV.MRLC.HHN. ML:0.8 0.00005319143 0.2784 AML other m 2021-09-19T06:01:21.00
IV.CDRU.HHE. ML:0.3 0.000016149999999999996 0.62 AML other m 2021-09-19T06:01:21.01
IV.CDRU.HHN. ML:0.5 0.00002675 0.26 AML other m 2021-09-19T06:01:22.61
IV.MRLC.HHE. ML:0.5 0.000025740370000000003 0.24 AML other m 2021-09-19T06:01:23.69
IV.MRLC.HNE. ML:0.5 0.000023731365 0.5792 AML other m 2021-09-19T06:01:19.41
IV.MRLC.HNN. ML:0.5 0.000023154291 0.1824 AML other m 2021-09-19T06:01:21.09
IV.CDRU.HNE. ML:0.8 0.000048854935 0.1408 AML other m 2021-09-19T06:01:22.87
IV.CDRU.HNN. ML:0.7 0.000035252606499999996 0.2784 AML other m 2021-09-19T06:01:24.11
IV.SLCN.HNE. ML:1.4 0.00013353195000000002 0.5408 AML other m 2021-09-19T06:01:23.82
IV.SLCN.HNN. ML:1.6 0.0002479833 1.0592 AML other m 2021-09-19T06:01:20.62
IV.SLCN.HHE. ML:0.9 0.000047041855 0.4992 AML other m 2021-09-19T06:01:26.04
IV.SLCN.HHN. ML:0.8 0.000034062879999999994 0.32 AML other m 2021-09-19T06:01:25.57
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download